[BUG]: Local IP may be returned by request->getClientAddress(true);

[elcreator]

Describe the bug
According to the standard the first non-local address should be selected https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/X-Forwarded-For#selecting_an_ip_address

According to the implementation the first address is selected

cphalcon/phalcon/Http/Request.zep

Line 237 in 7a3b54d

return explode(",", address)[0];

To Reproduce
Steps to reproduce the behavior:
Open the website with Phalcon through any proxy

echo $this->request->getClientAddress(true);

Actual behavior
Local IP may be returned

Expected behavior

Non-local IP should be returned